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Crystal structure of rabbit ldha in complex with AP28669

Analyse Crystal structure of rabbit ldha in complex with AP28669 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4I9H
Type
protein
Length
2,624 residues
Chains
8
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
L-lactate dehydrogenase a chain
EC
1.1.1.27
UniProt
P13491
Ligands
1E4
Pockets
20 · best druggability 0.89

Structure

x-ray diffraction · 7 distinct chains · 45% helix, 19% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AL-lactate dehydrogenase a chain (EC 1.1.1.27)protein32545% helix, 19% strandP13491
BL-lactate dehydrogenase a chain (EC 1.1.1.27)protein32745% helix, 19% strandP13491
CL-lactate dehydrogenase a chain (EC 1.1.1.27)protein32846% helix, 19% strandP13491
D, EL-lactate dehydrogenase a chain (EC 1.1.1.27)protein33146% helix, 19% strandP13491
FL-lactate dehydrogenase a chain (EC 1.1.1.27)protein32946% helix, 19% strandP13491
GL-lactate dehydrogenase a chain (EC 1.1.1.27)protein32445% helix, 19% strandP13491
HL-lactate dehydrogenase a chain (EC 1.1.1.27)protein32945% helix, 19% strandP13491

Ligands and binding sites

  • 1E4 · 1-O-[3-(5-carboxypyridin-2-yl)-5-fluorophenyl]-6-O-[4-({[(5-carboxypyridin-2-yl)sulfanyl]acetyl}amino)-2-chloro-5-methoxyphenyl]-D-mannitol · ligand · 8 copies · chains A, B, C, D, E, F, G, H

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
111560.890.91123empty
28570.880.9086empty
33460.830.9245empty
411780.810.8298empty
5700.710.9615empty

Interfaces

13 interfaces between chains.

  • E–G · 2898 Ų buried · 27 hydrogen bonds · protein-protein
  • B–D · 2884 Ų buried · 25 hydrogen bonds · protein-protein
  • A–C · 2862 Ų buried · 27 hydrogen bonds · protein-protein
  • F–H · 2857 Ų buried · 27 hydrogen bonds · protein-protein
  • C–D · 1777 Ų buried · 32 hydrogen bonds · protein-protein

Compared structures

  • 4I9H · Crystal structure of rabbit LDHA in complex with AP28669 · the same entry in another collection · chain H against H, TM-score 1.00
  • P13491 · AlphaFold monomer V2.0 prediction for L-lactate dehydrogenase a chain (P13491) · a predicted model of the same protein · chain B against A, TM-score 0.99

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